Seema tested the conductivity of lemon juice using the bulb tester and found that the bulb didn’t glow. But, when she tested the conductivity with an LED bulb, she observed that the bulb glowed.
a) State any 2 possible reasons for this difference in results.
b) Name any other substitute tester of Bulb.
c) What is LED?
d) How should LED be connected?
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here is ur answer.
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